Results 31 to 40 of about 5,106,555 (255)

Influence of sodium chloride on the cloud point of polyethoxylate surfactants and estimation of Flory-Huggins model parameters

Revista Facultad de Ingeniería Universidad de Antioquia, 2015
In this study, the influence of NaCl on the cloud point of polyethoxylate surfactants from the family of lauryl alcohol polyethoxylates (C12EOn ) and nonylphenol polyethoxylates (NPEOn ) was investigated.
Alessandro Alisson de Lemos-Araújo, Eduardo Lins de Barros Neto, Osvaldo Chiavone-Filho, Edson Luiz Foletto   +3 more
doaj   +1 more source

Crystallization fractionation of palm oil biodiesel as an alternative for improving its cold flow properties

Revista Facultad de Ingeniería Universidad de Antioquia, 2014
Palm oil biodiesel (POB) has excellent properties as a fuel for engines. However, due to its highly saturated chemical composition, this biofuel presents a faulty performance at temperatures close to the environmental temperature of several Colombian ...
Alirio Yovany Benavides, Pedro Nel Benjumea, John Ramiro Agudelo   +2 more
doaj   +1 more source

Influence of cyclodextrin on the solubility of a classically prepared 2-vinylcyclopropane macromonomer in aqueous solution

Beilstein Journal of Organic Chemistry, 2012
A macromonomer 5 consisting of a polymerizable vinylcyclopropane end group and a poly(N-isopropylacrylamide) (poly(NiPAAm)) chain was obtained from amidation of 1-ethoxycarbonyl-2-vinylcyclopropane-1-carboxylic acid (4) with an amino-terminated poly ...
Helmut Ritter, Jia Cheng, Monir Tabatabai   +2 more
doaj   +1 more source

COMPARISON OF UAV IMAGERY-DERIVED POINT CLOUD TO TERRESTRIAL LASER SCANNER POINT CLOUD [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
A small unmanned aerial vehicle (UAV) with survey-grade GNSS positioning is used to produce a point cloud for topographic mapping and 3D reconstruction.
S. Peterson, J. Lopez, R. Munjy
doaj   +1 more source

outcrop-point-cloud

, 2018
Example Outcrop Point Cloud for Estimating Historical Shear ...
Xin Wang (5597843)
core   +1 more source

RE-PU: A Self-Supervised Arbitrary-Scale Point Cloud Upsampling Method Based on Reconstruction

Applied Sciences
The point clouds obtained directly from three-dimensional scanning devices are often sparse and noisy. Therefore, point cloud upsampling plays an increasingly crucial role in fields such as point cloud reconstruction and rendering.
Yazhen Han, Mengxiao Yin, Feng Yang, Feng Zhan   +3 more
doaj   +1 more source

MPCR-Net: Multiple Partial Point Clouds Registration Network Using a Global Template

Applied Sciences, 2021
With advancements in photoelectric technology and computer image processing technology, the visual measurement method based on point clouds is gradually being applied to the 3D measurement of large workpieces. Point cloud registration is a key step in 3D
Shijie Su, Chao Wang, Ke Chen, Jian Zhang, Hui Yang   +4 more
doaj   +1 more source

Point Cloud Denoising via Moving RPCA

, 2017
We present an algorithm for the restoration of noisy point cloud data, termed Moving Robust Principal Components Analysis (MRPCA). We model the point cloud as a collection of overlapping two‐dimensional subspaces, and propose a model that encourages ...
Mattei, E., Castrodad, A.
core   +1 more source

Discover 3D Point Cloud Processing with Python [PDF]

, 2020
Tutorial to simply set up your python environment, start processing and visualize 3D point cloud data.
Poux, Florent
core  

Modeling of the optimal component composition of biodiesel fuel

Аграрная наука Евро-Северо-Востока, 2020
The article presents the results of study to determine the component composition of rape-based biodiesel. Modeling of the optimal component composition taking into account low-temperature properties and cetane number was carried out.
D. V. Varnakov, S. A. Simachkov, V. V. Varnakov   +2 more
doaj   +1 more source